The light therapy has been known to be effective to non-seasonal affective disorder as well as seasonal affective disorder. Although the mechanism of action of light therapy for depressive disorder has not been verified yet, its clinical application revealed similar effects like antidepressants and relatively smaller side effects. However, it is not common to apply the light therapy for treatment resistant depressive disorder. This case report indicates a robust efficacy of light therapy and its clinical usefulness, illustrating the complete remission in a treatment resistant patient with major depressive disorder after bright light therapy.
Antidepressive Agents ; Depressive Disorder ; Depressive Disorder, Major* ; Humans ; Mood Disorders ; Phototherapy* ; Seasonal Affective Disorder